A honeycomb is a mass of hexagonal wax cells built by honeybees in their hives.
Honeycomb may also refer to:
- Honeycomb (cereal), a brand of breakfast cereal
- Honeycomb Software, enterprise visualization software
- Honeycomb (song), a popular song written by Bob Merrill
- Honeycomb (geometry), a name for a space-filling tessellation
- Honeycomb (album), a solo album by Frank Black.
- Honeycomb, a colloquial name for the reticulum of a ruminant animal
- Honeycomb lattice, a 2-dimensional hexagonal lattice
- Honeycomb conjecture, a proven geometrical conjecture
- Honeycomb toffee, a kind of confectionery
- Honeycomb stitch, a common stitch in lace making
- Honeycomb mirror, used in astronomical telescopes
- The Honeycombs, an English 1960s pop-group
- The Honeycombs (Oregon), rock formations in Malheur County, Oregon
- Composite honeycomb, a hexagonal-cell sheet of composite material
- Honeycomb (computing) is a plugin for Honeyd that can be used to automatically generate signatures for Network Intrusion Detection Systems like Snort.